Changes

=== Adverse Reactions ===

=== Adverse Reactions ===

{{See also|Vaccine Injury Compensation Program|Vaccine Adverse Event Reporting System}}

{{See also|Vaccine Injury Compensation Program|Vaccine Adverse Event Reporting System}}

Vaccines have substantial side effects, and many vaccines have significant morbidity and mortality associated with them. In the fiscal year 2017 alone, it is estimated that $220 million will be paid to victims of vaccines, and underpayments or improper denials of payment are common.<ref>http://www.wakingtimes.com/2017/05/09/whopping-vaccine-injury-payouts-us-fiscal-year-2017-released/</ref> More than Postvaccinial encephalitis is a known hazard of [[smallpox]] vaccine, for example. A recently introduced vaccine against human papilloma virus, the causative agent of cancer of the [[uterus|uterine]] cervix, has now been linked to a number of sudden deaths reported within days of its administration.<ref name=GardasilMM>Cockcroft, Lucy, "[https://www.telegraph.co.uk/news/main.jhtml?xml=/news/2007/10/29/njab129.xml Cervical cancer drug Gardasil linked to deaths]," ''[[London]] Daily Telegraph'', October 29, 2007. Retrieved November 10, 2007.</ref>

Vaccines can have side effects, and "in rare cases themselves cause illness".<ref>[https://vaccine-safety-training.org/tl_files/vs/pdf/13164.pdf Vaccine Safety Training.org]</ref><ref>[https://www.cdc.gov/mmwr/pdf/rr/rr4512.pdf CDC]</ref>

In the fiscal year 2017 alone, it is estimated that $220 million will be paid to victims of vaccines, and underpayments or improper denials of payment are common.<ref>http://www.wakingtimes.com/2017/05/09/whopping-vaccine-injury-payouts-us-fiscal-year-2017-released/</ref> More than Postvaccinial encephalitis is a known hazard of [[smallpox]] vaccine, for example. A recently introduced vaccine against human papilloma virus, the causative agent of cancer of the [[uterus|uterine]] cervix, has now been linked to a number of sudden deaths reported within days of its administration.<ref name=GardasilMM>Cockcroft, Lucy, "[https://www.telegraph.co.uk/news/main.jhtml?xml=/news/2007/10/29/njab129.xml Cervical cancer drug Gardasil linked to deaths]," ''[[London]] Daily Telegraph'', October 29, 2007. Retrieved November 10, 2007.</ref>

Bulging or swollen [[fontanelle]]s have been linked with many vaccines commonly given to infants, such as the diphtheria-[[tetanus]] (DPT) vaccine. Many families, out of concern for their child's health, have sought legal justice for the potential health damage.<ref>http://legaljustice4john.com/fontanellebulging.htm</ref>

Bulging or swollen [[fontanelle]]s have been linked with many vaccines commonly given to infants, such as the diphtheria-[[tetanus]] (DPT) vaccine. Many families, out of concern for their child's health, have sought legal justice for the potential health damage.<ref>http://legaljustice4john.com/fontanellebulging.htm</ref>

A number of vaccination reactions are deemed serious enough to contraindicate further vaccinations of the same type. These include extensive swelling and redness at the injection site, prolonged fever, bronchospasm and laryngeal [[edema]] (narrowing of the airways causing difficulty in breathing), and collapse/seizures with or without unconsciousness and/or encephalitis.<ref>[http://www.gpnotebook.co.uk/simplepage.cfm?ID=2067071044 General Practice Notebook - vaccine reactions]</ref>

A number of vaccination reactions are deemed serious enough to contraindicate further vaccinations of the same type. These include extensive swelling and redness at the injection site, prolonged fever, bronchospasm and laryngeal [[edema]] (narrowing of the airways causing difficulty in breathing), and collapse/seizures with or without unconsciousness and/or encephalitis.<ref>[http://www.gpnotebook.co.uk/simplepage.cfm?ID=2067071044 General Practice Notebook - vaccine reactions]</ref>

===Published Adverse Reaction Rates===

===Published Adverse Reaction Rates===